Strong Types for Relational Databases
... be. Furthermore, some columns may be singled out as keys, some may be allowed to take null values. Constraints can be declared for specific columns, and foreign key constraints can be provided to prescribe relationships between tables. Operations on a database should preserve its well-formedness. Th ...
... be. Furthermore, some columns may be singled out as keys, some may be allowed to take null values. Constraints can be declared for specific columns, and foreign key constraints can be provided to prescribe relationships between tables. Operations on a database should preserve its well-formedness. Th ...
The Definitive Guide to Graph Databases
... You more or less keep the data as it is in the real world: small, normalized, yet richly connected entities. This allows you to query and view your data from any imaginable point of interest, supporting many different use cases (see Chapter 2 for more information). The fine-grained model also means ...
... You more or less keep the data as it is in the real world: small, normalized, yet richly connected entities. This allows you to query and view your data from any imaginable point of interest, supporting many different use cases (see Chapter 2 for more information). The fine-grained model also means ...
Handout
... Data Dictionary The data dictionary is a set of read-only tables and views that record, verify, and provide information about its associated database. • Describes the database and its objects • Includes two types of objects: ...
... Data Dictionary The data dictionary is a set of read-only tables and views that record, verify, and provide information about its associated database. • Describes the database and its objects • Includes two types of objects: ...
A Database Approach for Raster Data Management inGeographic
... this connected, open environment. It has considerable limitations in terms of size and functionality, especially when it comes to the query ability, scalability, concurrency and access control. These features are often offered by a database system and are fundamental in building web-based GIS servic ...
... this connected, open environment. It has considerable limitations in terms of size and functionality, especially when it comes to the query ability, scalability, concurrency and access control. These features are often offered by a database system and are fundamental in building web-based GIS servic ...
A Database Approach for Raster Data Management inGeographic
... this connected, open environment. It has considerable limitations in terms of size and functionality, especially when it comes to the query ability, scalability, concurrency and access control. These features are often offered by a database system and are fundamental in building web-based GIS servic ...
... this connected, open environment. It has considerable limitations in terms of size and functionality, especially when it comes to the query ability, scalability, concurrency and access control. These features are often offered by a database system and are fundamental in building web-based GIS servic ...
Accounting Information Systems: The Crossroads of Accounting and
... Objective: Q2.2 What is the role of the database in the enterprise? 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. ...
... Objective: Q2.2 What is the role of the database in the enterprise? 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. ...
Backup and Restore
... backups of all the datafiles, also called a cold backup, is one made after shutting down the database using the shutdown command or the shutdown command with the immediate or transactional clause. An offline backup, provided you make one after the database is shut down gracefully, is always consiste ...
... backups of all the datafiles, also called a cold backup, is one made after shutting down the database using the shutdown command or the shutdown command with the immediate or transactional clause. An offline backup, provided you make one after the database is shut down gracefully, is always consiste ...
No Slide Title
... Note: In MS ACCESS Query Designer DISTINCT is not available with COUNT, e.g., COUNT (DISTINCT Item No) is not available in MS ...
... Note: In MS ACCESS Query Designer DISTINCT is not available with COUNT, e.g., COUNT (DISTINCT Item No) is not available in MS ...
transaction
... current consistent copy of the database. all updates are made on a shadow copy of the database, and db_pointer is made to point to the updated shadow copy only after the transaction reaches partial commit and all updated pages have been flushed to disk. in case transaction fails, old consistent ...
... current consistent copy of the database. all updates are made on a shadow copy of the database, and db_pointer is made to point to the updated shadow copy only after the transaction reaches partial commit and all updated pages have been flushed to disk. in case transaction fails, old consistent ...
Chapter 19: Distributed Databases
... once transaction sending a message is committed, message must guaranteed to be delivered Guarantee as long as destination site is up and reachable, code to handle undeliverable messages must also be available – e.g. credit money back to source account. If sending transaction aborts, message mu ...
... once transaction sending a message is committed, message must guaranteed to be delivered Guarantee as long as destination site is up and reachable, code to handle undeliverable messages must also be available – e.g. credit money back to source account. If sending transaction aborts, message mu ...
This step is performed on the new SQL Server.
... This step can be performed one of two ways: 1. Symantec Technical Support provides a script to automatically detect moved EV databases and update their locations to point to the new SQL Server. See the related article for usage instructions and restrictions. 2. The updates can also be performed manu ...
... This step can be performed one of two ways: 1. Symantec Technical Support provides a script to automatically detect moved EV databases and update their locations to point to the new SQL Server. See the related article for usage instructions and restrictions. 2. The updates can also be performed manu ...
2.4. the database management system
... When we are talking about computers, we instantly think about the speed that allows us to execute complex operations. This speed is mainly used during searches. This means the extraction of a datum from an archive or database. This requires a database, which stores the data. The operation system ‘Wi ...
... When we are talking about computers, we instantly think about the speed that allows us to execute complex operations. This speed is mainly used during searches. This means the extraction of a datum from an archive or database. This requires a database, which stores the data. The operation system ‘Wi ...
National Snow and Ice Data Center
... entire data sets – not just the metadata Ability to store colossal amounts of small files Relational databases can't handle it. The tables grow too big. (Object-relational is no better) ...
... entire data sets – not just the metadata Ability to store colossal amounts of small files Relational databases can't handle it. The tables grow too big. (Object-relational is no better) ...
Activate Physical Standby: Controlled failover
... Introduction The solution that would best fit the LNC requirements, at this point in time, is the implementation of Oracle Data Guard. We are confident that this is the best approach without implementing RMAN. Using Data Guard will allow an active standby database for the production database. This e ...
... Introduction The solution that would best fit the LNC requirements, at this point in time, is the implementation of Oracle Data Guard. We are confident that this is the best approach without implementing RMAN. Using Data Guard will allow an active standby database for the production database. This e ...
XML publishing
... – Similarity may be defined on the basis of common words • E.g. find k terms in A with highest TF (d, t ) / n (t ) and use these terms to find relevance of other documents. Relevance feedback: Similarity can be used to refine answer set to keyword query – User selects a few relevant documents from ...
... – Similarity may be defined on the basis of common words • E.g. find k terms in A with highest TF (d, t ) / n (t ) and use these terms to find relevance of other documents. Relevance feedback: Similarity can be used to refine answer set to keyword query – User selects a few relevant documents from ...
viva voce questions
... Ans.1. Installing and upgrading the Oracle Server and application tools 2. Allocating system storage and planning future storage requirements for the database system 3. Creating primary database storage structures (tablespaces) after application developers have designed an application 4. Creating pr ...
... Ans.1. Installing and upgrading the Oracle Server and application tools 2. Allocating system storage and planning future storage requirements for the database system 3. Creating primary database storage structures (tablespaces) after application developers have designed an application 4. Creating pr ...
IBM's Customer Information Control System, CICS
... IMS - Information Management System: IBM Product with an OLTP and hierarchical database manager. MVS - Multiple Virtual Storage: Top of the line IBM operating system before OS/390. OLTP - On-line Transaction Processing. OS/390 - Open System 390: latest operating system for IBM System/390’s. SNA - Sy ...
... IMS - Information Management System: IBM Product with an OLTP and hierarchical database manager. MVS - Multiple Virtual Storage: Top of the line IBM operating system before OS/390. OLTP - On-line Transaction Processing. OS/390 - Open System 390: latest operating system for IBM System/390’s. SNA - Sy ...
F1: A Distributed SQL Database That Scales
... this traditional schema, fetching all Campaign and AdGroup records corresponding to a given CustomerId would take two sequential steps, because there is no direct way to retrieve AdGroup records by CustomerId. In the F1 version of the schema, the hierarchical primary keys allow the fetches of Campai ...
... this traditional schema, fetching all Campaign and AdGroup records corresponding to a given CustomerId would take two sequential steps, because there is no direct way to retrieve AdGroup records by CustomerId. In the F1 version of the schema, the hierarchical primary keys allow the fetches of Campai ...
marked - Kansas State University
... Decomposition Using Multivalued Dependencies More Normal Form Database-Design Process ...
... Decomposition Using Multivalued Dependencies More Normal Form Database-Design Process ...
Document
... increased processor and disk utilization, leading to better transaction throughput: one transaction can be using the CPU while another is reading from or writing to the disk ...
... increased processor and disk utilization, leading to better transaction throughput: one transaction can be using the CPU while another is reading from or writing to the disk ...
MedSchema_Draft - The BioText Project
... applicable to our purposes, because their implementation contains tables and data that are used for maintenance and that are not relevant to external users. Thus, it was appropriate for us to design our own schema based on the specific content of the XML files, as defined by the DTD. There are mult ...
... applicable to our purposes, because their implementation contains tables and data that are used for maintenance and that are not relevant to external users. Thus, it was appropriate for us to design our own schema based on the specific content of the XML files, as defined by the DTD. There are mult ...
Query Languages for XML
... construct can be problematic (e.g. for querying XML views of relational DBs) XSLT is mapping language not a query language … but it can be ...
... construct can be problematic (e.g. for querying XML views of relational DBs) XSLT is mapping language not a query language … but it can be ...
cont`d - Department of Computer Science
... Support the analysis of the subject of revenue for a health club. The data comes from the operational database. Computer Engineering Dept. Spring 2017: April 4 ...
... Support the analysis of the subject of revenue for a health club. The data comes from the operational database. Computer Engineering Dept. Spring 2017: April 4 ...
Databases 2012 Recovery - Department of Computer Science
... • The transaction commits precisely when the commit entry (after all previous entries for this transaction) is output to the log. ...
... • The transaction commits precisely when the commit entry (after all previous entries for this transaction) is output to the log. ...